U0448
Invalid Data Received From Serial Data Gateway Module B
U0448 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Serial Data Gateway Module B. Common causes: data gateway module b fault, data gateway wiring harness problems. Estimated repair cost: $94–278.
Symptoms
- Check Engine Light Is On
- Unstable operation of some car systems
- Diagnostic problems
- Information system malfunctions
- Incorrect instrument readings
Causes
- Data Gateway Module B fault
- Data Gateway Wiring Harness Problems
- Corrosion or poor contact in connectors
- Software error in one of the modules
- Damage to the internal circuitry of the gateway
How to Fix
- Check the condition of the data gateway wiring and connectors
- Scan error memory of all modules
- Check module software version
- Test or replace Data Gateway Module B
Related codes
Error U0448 by Vehicle Brand
FAQ
What does the U0448 code mean?
U0448 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Serial Data Gateway Module B
What causes a U0448 error code?
The most common causes of U0448 include: Data Gateway Module B fault; Data Gateway Wiring Harness Problems; Corrosion or poor contact in connectors; Software error in one of the modules.
How do I fix a U0448 diagnostic trouble code?
To fix U0448: Check the condition of the data gateway wiring and connectors. Scan error memory of all modules. Check module software version. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0448?
Yes, but get it checked soon
How much does it cost to fix U0448?
The estimated repair cost for U0448 is $94–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat